A.Inner race should be harder than balls
B.Outer race should be harder than balls
C.Inner race should harder than outer race
D.Inner race, outer race and balls should be equally hardened
E.Only cage should be hardened
A.Inner race should be harder than balls
B.Outer race should be harder than balls
C.Inner race should harder than outer race
D.Inner race, outer race and balls should be equally hardened
E.Only cage should be hardened